Which of the Following Is TRUE About Second-Language Learning

Multiple Choice

Which of the following is TRUE about second-language learning?

A) For adolescents and adults,new vocabulary is easier to learn than new sounds or new grammar.
B) Children's ability to pronounce words with a native-like accent in a second language typically increases with age.
C) Sensitive periods for learning a second language are constant across different language systems.
D) Adults tend to learn a second language slower than children,but their final level of second-language attainment is higher.